SEW-Eurodrive MOVIDYN Manual
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SEW-Eurodrive MOVIDYN Manual

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T
®
MOVIDYN
Servo Controller
Manual
MD_SCOPE
Edition 01/99
16/042/95

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Summary of Contents for SEW-Eurodrive MOVIDYN

  • Page 1 ® MOVIDYN Servo Controller Manual MD_SCOPE Edition 01/99 16/042/95...

  • Page 3: Table Of Contents

    Contents Introduction ..................4 Quickstart of a Servo Controller .............. 5 Installation..................6 3.1 Hardware requirements ..................6 3.2 Installing the program ...................6 3.3 Starting the program .....................6 3.4 Communications requirements................7 3.5 Setting up the printer and graphics card..............7 The Main Program Window ..............8 4.1 Display area ......................8 4.1.1 The zoom cursors..................9 4.1.2 The measured value cursor .................9...

  • Page 4: Introduction

    Introduction Introduction Setting the parameter for servo drives is a very demanding task. frequently employed method to optimise running characteristics of dynamic drives is to analyse the response of the different controller parameters after a speed setpoint change. Therefore, however, the servo controller needs to be equipped with appropriate analog outputs where signals, such as the speed signal, can be output as analog signals.

  • Page 5: Quickstart Of A Servo Controller

    Quickstart of a Servo Controller Quickstart of a Servo Controller For more detailed information on the individual steps please refer to the subsequent sections. Setting up the communications link • Switch off the servo controller and the PC. • Connect together the RS-232 interfaces of the two units. •...

  • Page 6: Installation

    Installation Installation 3 .1 Hardware requirements • PC/ T with 80386/80486 CPU (math. co-processor recommended). • Ideal system configuration: 80486 DX33 or better, 256 KB cache memory. • M inimum 640 KB main memory (min. 560 KB free user R M ) •...

  • Page 7: Communications Requirements

    Installation 3 .4 Communications requirements ® All M D_SCOPE windows with a red title bar use the communications link to the M OVIDYN servo ® controller. If your PC is not connected to M OVIDYN or your communications link is faulty, the corresponding buttons in these windows are not activated, they are grayed out.

  • Page 8: The Main Program Window

    The Main Program Window The Main Program Window 00256AEN Fig. 1: M ain program window 1 M enu bar 2 Status bar with 3 M A address: X / Local mode 4 Version number / Current file name 5 Oscilloscope display area 6 Control and display elements 7 Zoom buttons Display area...

  • Page 9: The Zoom Cursors

    The Main Program Window Y-axis reference arrow (measured value Y-axis reference arrow cursor) (measured value cursor) Zoom cursor M easured value cursor Zoom cursor (white) (yellow) (white) M D0147AE Fig. 2: M D_SCOPE display area The 4 reference arrows at the edge of the display area tell you which cursor is active. The reference arrows of the measured value cursor, which move vertically, snap to the trace that is the reference point for the measured value cursor.

  • Page 10: The Differential Measurement Cursors

    The Main Program Window The reference arrows at the right and left-hand edges of the display area then snap to the selected recording channel. If you are using the keyboard, press the SHIFT + PAGE UP / SHIFT + PAGE DOWN keys to select the next/previous recording channel.

  • Page 11: Control And Display Elements

    The Main Program Window Control and display elements There are various control and display elements at the bottom of the main window. These are required for analyzing the process data. Element name Function 1/min / DIV Scaling factor for speed measured quantities with the unit [1/min] % In / DIV Scaling factor for current measured quantities with the unit [% In] Table 1: Scaling factors...

  • Page 12: Calculating The Effective Capacity

    The Main Program Window Calculating the effective capacity You can determine the effective capacity of the axis module using the “Ixt” button. To do this, use the two zoom cursors to select the segment of the current trace for which you wish to determine the effective axis module capacity.

  • Page 13: Environment" Menu Item

    The Menu Bar The Menu Bar The menu bar contains five menu item, “Environment” , “M D_SCOPE” , “Parameters” , “Options” and “Help” . The menu items in the menu bar can be activated using the mouse or with key combi- nations [ALT + first letter].
  • Page 14 The Menu Bar “Print...” menu command Activating the “Print” menu command opens a new window where you can specify the data to be printed. You can choose between the following aspects: • Current trace (1 page) • M D_SCOPE system information •...

  • Page 15: M D_Scope" Menu

    The Menu Bar “MD_SCOPE” menu item The “ M D_SCOPE” menu item contains all the functions required to set and analyze the measured data recording (tracing). It includes the commands: • Set Trace... • Read in meas. values • Document... 5.2.1 “Set Trace...”...

  • Page 16: Document

    The Menu Bar 5.2.3 “Document...” menu command The “Documentation for current recording” dialog box allows you to enter your own comments to describe the measured values recorded. The text boxes must contain an entry (e.g.*), otherwise M D_SCOPE displays a corresponding message. Activating the “Settings” button opens a new window in which all the system and parameter data valid at the time of the data transfer are auto- matically documented (only from version 2.0 onwards).

  • Page 17: Test Function

    The Menu Bar M D_SCOPE performs a value range check, i.e. if you enter values outside the valid range, M D_SCOPE changes them to the next higher increment or the minimum/ maximum and transfers ® ® them to M OVIDYN .
  • Page 18 The Menu Bar 00237AEN Fig. 8: M D_SCOPE commissioning window The window is divided into two sections. The calculation parameters are listed in the upper section of the window, whilst the lower section contains the calculated system-specific values, e.g. the positioning control time interval, the load mass moment of inertia at the motor shaft, the friction torque and the load torque.
  • Page 19 The Menu Bar The results of the calculation in the lower section of the commissioning window become invalid when a calculation parameter is changed. Each time you change a parameter, you must perform a new calculation using the “Calculate...” button. Calculating the load moment of inertia at the motor shaft Several requirements must be fulfilled to calculate the load moment of inertia at the motor shaft.
  • Page 20 The Menu Bar 7) Now repeat the M D_SCOPE recording with the new modified controller parameters. You can influence the calculation of a new parameter suggestion according to your own evaluation by vary- ing the “Stiffness speed control loop” or “Damping speed control loop” calculation parameters. M D0131AE Fig.
  • Page 21 The Menu Bar 1. Record a trace (M D_SCOPE sampling time 1 ms) using the analog setpoint entered by the higher-level positioning control. The given setpoint change must be big enough to obtain a clear step function (Fig. 11) for the “Ramp generator input [1/min]” measured quantity. Setpoint ramps steeper than 1 s are required for the calculation! 2.

  • Page 22: Options" Menu Item

    The Menu Bar The Commissioning/Controller parameters window You can also activate this window directly via the menu bar using the “Parameters/Controller parameters...” menu command. However, the elements for the controller parameter proposal are inactive if you call up the window in this way. When you call up this window from the commissioning function, the program will automatically present you with a calculated proposal for controller parameter settings.

  • Page 23: Trace Attributes

    The Menu Bar M D0135AE Fig. 14: “Interface selection”dialog box 5.4.2 “Trace attributes...” menu command This command calls up the “Trace attributes” dialog box. Since you may not always have a color monitor available when you commission a system, it may often prove difficult or even impossible to discriminate between the different traces.

  • Page 24: Md_Shell-Path" Menu Command

    The Menu Bar 5.4.4 “MD_SHELL-Path” menu command ® parameters can be set using M D_SCOPE, the “Environment/Start As not all M OVIDYN M D_SHELL” menu command enables you to call up the M D_SHELL user interface directly. M D_SCOPE is completely exited and M D_SHELL started. In the “...

  • Page 25: Additional Utilies

    Additional Utilies Additional Utilies M D_SCOPE works in graphic mode with a resolution of 640 x 480 pixels and 16 colors. This stan- dard IBM VGA setting is supported by all common VGA-compatible graphics cards, so M D_SCOPE can be started with this default setting. The default printer driver setting is HP DESKJET. If your PC configuration is different from the above, use the ADAPTER.EXE (to adapt the graphics card settings) and the HCSELECT.EXE utilities (to select/configure the printer driver) in order to modify the settings according to your system.

  • Page 26: Hcselect.exe

    Additional Utilies HCSELECT.EXE The HCSELECT.EXE utility lets you select a printer driver for use with the “Print” menu command and set a scaling. The settings are stored in the corresponding HARDCOPY.PRO file. It is not pos- sible to set these variables from within M D_SCOPE! You need to call up the HCSELECT.EXE to select a printer driver.

  • Page 27: Index

    Index Index 7-segmental test indicator 17 Parameters 16 PC interface 7 Calculating 12 Print... 14 Calculation parameters 18 Printer driver 14 Commissioning... 17 Commissioning/Controller parameters window 22 Communication address 7 Read in meas. values 15 Communications requirements 7 RS-232 connection 7 Control and display elements 11 RS-485 connection 7 Controller parameters...
  • Page 28 We are available, wherever you need us. Worldwide. SEW-EURODRIVE right around the globe is transmission with manufacturing and assem- your competent partner in matters of power bly plants in most industrial countries. SEW-EURODRIVE GmbH & Co · P.O.Box 30 23 · D-76642 Bruchsal/Germany Tel.

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